CaratHunter
Plans
Heart|Natural|GIA

4.26ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 5242046802

Certificate GIA 5242046802

Diamond specifications and retailer prices

From $70,309 NZD
As of November 6, 2026
Save $62,628 NZD (47%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $132,937 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 4.26ct natural heart diamond

This 4.26ct natural heart sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242046802. Listed at 20 retailers as of November 4, 2026, with prices from $70,309 to $132,937, a $62,628 spread on the same certified stone. MOH London lists it at $132,937. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.26
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5242046802
Dimensions9.81 × 11.49 × 6.73 mm
L/W Ratio1.17
Girdle conditionFaceted
Top View
9.81 mm11.49 mm4.26 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242046802
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $132,937 NZD|Low: $69,708 NZD|High: $134,007 NZD|Avg: $88,248 NZD|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 18$70,309 NZD
Retailer 4$73,574 NZD
Retailer 17$75,150 NZD
Retailer 6$75,217 NZD
Retailer 2$77,019 NZD
Retailer 7$77,393 NZD
Retailer 14$77,921 NZD
Retailer 3$78,235 NZD
Retailer 13$78,998 NZD
Retailer 16$81,738 NZD
Retailer 8$82,691 NZD
Retailer 15$83,376 NZD
Retailer 5$84,579 NZD
Retailer 9$88,903 NZD
Retailer 11$92,279 NZD
Retailer 10$99,189 NZD
Retailer 12$106,214 NZD
MOH London$132,937 NZD

24 data points across 18 retailers

20 retailers$70,309 NZD to $132,937 NZD

B+
Cheapest Retailer
-
$70,309 NZD
B+
Retailer 2
-
$73,574 NZD
View
Retailer 3
-
$75,149 NZD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
$75,150 NZD
View
B+
Retailer 5
-
$75,217 NZD
View
B+
Retailer 6
-
$77,019 NZD
View
B
Retailer 7
-
$77,393 NZD
View
B+
Retailer 8
-
$77,921 NZD
View
Retailer 9
-
$78,075 NZD
View
Price last confirmed 34 days ago
B+
Retailer 10
-
$78,235 NZD
View
Final sale: no returns
B+
Retailer 11
-
$78,998 NZD
View
B+
Retailer 12
-
$81,738 NZD
View
B+
Retailer 13
-
$82,691 NZD
View
B+
Retailer 14
-
$83,376 NZD
View
B+
Retailer 15
-
$84,579 NZD
View
B
Retailer 16
-
$88,903 NZD
View
B
Retailer 17
-
$92,279 NZD
View
B
Retailer 18
-
$99,189 NZD
View
B
Retailer 19
-
$106,214 NZD
View
Most Expensive
B
MOH London
D2BA167B6 · Nov 4
$132,937 NZD
£58,027 GBP
View
19 more retailers have this diamond
Prices start from $70,309 NZDSave up to $62,628 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
4.26ct Heart
$70,309 NZD